Index: Cargo.lock
==================================================================
--- Cargo.lock
+++ Cargo.lock
@@ -2025,14 +2025,16 @@
  "lazy_static",
  "regex",
  "reqwest",
  "rss",
  "sedregex",
+ "serde",
  "smol",
  "sqlx",
  "stacked_errors",
  "tgbot",
+ "toml",
  "url",
 ]
 
 [[package]]
 name = "rustc-hash"
@@ -2857,18 +2859,20 @@
  "tokio",
 ]
 
 [[package]]
 name = "toml"
-version = "0.9.10+spec-1.1.0"
+version = "0.9.11+spec-1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0825052159284a1a8b4d6c0c86cbc801f2da5afd2b225fa548c72f2e74002f48"
+checksum = "f3afc9a848309fe1aaffaed6e1546a7a14de1f935dc9d89d32afd9a44bab7c46"
 dependencies = [
+ "indexmap",
  "serde_core",
  "serde_spanned",
  "toml_datetime",
  "toml_parser",
+ "toml_writer",
  "winnow",
 ]
 
 [[package]]
 name = "toml_datetime"
@@ -2886,10 +2890,16 @@
 checksum = "a3198b4b0a8e11f09dd03e133c0280504d0801269e9afa46362ffde1cbeebf44"
 dependencies = [
  "winnow",
 ]
 
+[[package]]
+name = "toml_writer"
+version = "1.0.6+spec-1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ab16f14aed21ee8bfd8ec22513f7287cd4a91aa92e44edfe2c17ddd004e92607"
+
 [[package]]
 name = "tower"
 version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d039ad9159c98b70ecfd540b2573b97f7f52c3e8d9f8ad57a24b916a536975f9"

Index: Cargo.toml
==================================================================
--- Cargo.toml
+++ Cargo.toml
@@ -17,13 +17,15 @@
 lazy_static = "1.5.0"
 regex = "1.10.6"
 reqwest = { version = "0.13.1", features = [ "brotli", "socks", "deflate" ]}
 rss = "2.0.9"
 sedregex = "0.2.5"
+serde = "1.0.228"
 smol = "2.0.2"
 stacked_errors = "0.7.1"
 sqlx = { version = "0.8", features = [ "postgres", "runtime-tokio-rustls", "chrono", "macros" ], default-features = false }
+toml = "0.9.11+spec-1.1.0"
 url = "2.5.8"
 
 [profile.release]
 lto = true
 codegen-units = 1

Index: src/command.rs
==================================================================
--- src/command.rs
+++ src/command.rs
@@ -70,11 +70,11 @@
 				"/disable" => conn.disable(number, sender).await.stack()?.into(),
 				_ => bail!("Command {command} {words:?} not handled."),
 			},
 		}
 	} else {
-		"This command needs exacly one number.".into()
+		"This command needs exactly one number.".into()
 	};
 	core.tg.send(reply, Some(msg.chat.get_id()), None).await.stack()?;
 	Ok(())
 }
 

Index: src/core.rs
==================================================================
--- src/core.rs
+++ src/core.rs
@@ -356,11 +356,11 @@
 impl UpdateHandler for Core {
 	/// Dispatches an incoming Telegram update to a matching command handler and reports handler errors to the originating chat.
 	///
 	/// This method inspects the update; if it contains a message that can be parsed as a bot command,
 	/// it executes the corresponding command handler. If the handler returns an error, the error text
-	/// is sent back to the message's chat using MarkdownV2 formatting. Unknown commands produce an erro
+	/// is sent back to the message's chat using MarkdownV2 formatting. Unknown commands produce an error
 	/// which is also reported to the chat.
 	async fn handle (&self, update: Update) {
 		if let UpdateType::Message(msg) = update.update_type 
 			&& let Ok(cmd) = Command::try_from(msg)
 		{

Index: src/tg_bot.rs
==================================================================
--- src/tg_bot.rs
+++ src/tg_bot.rs
@@ -1,5 +1,9 @@
+use serde::{
+	Deserialize,
+	Serialize,
+};
 use stacked_errors::{
 	Result,
 	StackableErr,
 };
 use tgbot::{
@@ -6,15 +10,31 @@
 	api::Client,
 	types::{
 		Bot,
 		ChatPeerId,
 		GetBot,
+		InlineKeyboardButton,
+		InlineKeyboardMarkup,
 		Message,
 		ParseMode,
 		SendMessage,
 	},
 };
+
+#[derive(Serialize, Deserialize, Debug)]
+enum Callback {
+	// List all feeds (version, name to show)
+	List(u8, String),
+}
+
+fn get_kb (cb: &Callback) -> Result<InlineKeyboardMarkup> {
+	let mark = InlineKeyboardMarkup::from(vec![vec![
+		InlineKeyboardButton::for_callback_data("1",
+			toml::to_string(&Callback::List(0,"xxx".to_owned())).stack()?),
+	]]);
+	Ok(mark)
+}
 
 #[derive(Clone)]
 pub struct Tg {
 	pub me: Bot,
 	pub owner: ChatPeerId,